[asterisk-users] Specific SIP answers on incoming calls?

[Philipp von Klitzing]

Hi!

> > specific SIP headers. Besides "wrong number", I would especially like to
> > send 302 temp moved with a specified address to deflect certain calls.
> > Is there any way to send a specific reply out of the dialplan?
> 
> No.  The dial plan does not provide such low-level access to the SIP
> stack.  All that you can do is call the dial plan applications, and they
> will do whatever it is they do on the SIP level.

You might want to try the app Transfer() to send a SIP REFER.
http://www.voip-info.org/wiki/index.php?page=Asterisk+cmd+transfer

Philipp